543556363655345 has 8 divisors (see below), whose sum is σ = 652282772923176. Its totient is φ = 434834999899776.

The previous prime is 543556363655341. The next prime is 543556363655441.

It is a happy number.

543556363655345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 121875395598961 + 421680968056384 = 11039719^2 + 20534872^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543556363655345 - 2² = 543556363655341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543556363655341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261141052 + ... + 1261571981.

It is an arithmetic number, because the mean of its divisors is an integer number (81535346615397).

Almost surely, 2^{543556363655345} is an apocalyptic number.

It is an amenable number.

543556363655345 is a deficient number, since it is larger than the sum of its proper divisors (108726409267831).

543556363655345 is a wasteful number, since it uses less digits than its factorization.

543556363655345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522756131.

The product of its digits is 4374000000, while the sum is 68.

The spelling of 543556363655345 in words is "five hundred forty-three trillion, five hundred fifty-six billion, three hundred sixty-three million, six hundred fifty-five thousand, three hundred forty-five".